::-webkit-scrollbar {
    width: 7px; /*滚动条宽度*/
    height: 7px;
    cursor: pointer;
}

.dark ::-webkit-scrollbar-track {

    background-color: #5e5c5c;
    cursor: pointer;
}

.light ::-webkit-scrollbar-track {
    background-color: #eaeaea;
    cursor: pointer;
}

::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #ccc;
    cursor: pointer;
}

:hover::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #aaa;
    cursor: pointer;
}

:focus::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #333;
    cursor: pointer;
}